5-氯-2-脱氧尿嘧啶核苷

碘苷

3,5-二-o-乙酰基-5-溴-2-脱氧-d-尿苷

4-(hydroxyamino)-1-[(2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)oxolan-2-yl]pyrimidin-2-one

3,5-双乙酰基-5-碘代-2-脱氧尿苷